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Introduction to D3DImage

by Dr. WPF

.NET 3.5 SP1 is here! It's time to break out your DirectX skills. This article provides the information necessary to get started using a new DirectX interop feature in WPF called D3DImage.

Artificial Neural Network C++ Class

by Hatem Mostafa

Artificial Neural Network C++ class with two use cases: Counter and Handwritten Digits recognition

Cryptographic Interoperability: Keys

by Jeffrey Walton

Import and export Cryptographic Keys in PKCS#8 and X.509 formats, using Crypto++, C#, and Java.

XColorSpectrumCtrl - a non-MFC color picker control that displays a color spectrum

by Hans Dietrich

XColorSpectrumCtrl displays a color spectrum that allows user selection, and provides APIs for color based on RGB and HSL color models.

Latest Articles

Machine Learning for C++ developers - the hard way: DirectML

by Michael Chourdakis

An introduction to machine learning with working C++ code that trains a linear regression model.

A C++ Code Function Tracing Class

by PJ Arends

Trace your function calls to the Output window.

by Ștefan-Mihai MOGA

Task Manager shows you the programs, processes, and services that are currently running on your computer. You can use Task Manager to monitor your computer’s performance or to close a program that is not responding.

Leveraging ChatGPT to Build an Automation Framework using the Page Object Model

by Mohammed Faci

How to leverage ChatGPT to Build an Automation Framework using the Page Object Model

All Articles

C++

Run All Jobs at Once Utility

20 Aug 2009 by "Fish" (David B. Trout)

A command-line tool to run multiple programs in parallel (i.e. concurrently, as a group).

Windows 7 File-properties "Version" Tab Shell Extension

19 Oct 2010 by "Fish" (David B. Trout)

Simple parsing of VS_VERSIONINFO version information strings displayed in an XP-style file-properties "Version" tab

Recordset in C++ linux

14 Jan 2017 by #dev_Preet

Is there something like recordset with filter like property in c++ in Linux(Ubuntu) ? Or what else can be used in place of recordset in this case ?Does anyone know something for this?What I have tried:Till now I am fetching values from variables but due to large data to be used I...

Using CResizablePage In a CFormView

16 Apr 2001 by #realJSOP

Technique for utilizing a CResizablePage in a CFormView-derived class

CResizableFormView

6 Jun 2001 by #realJSOP

Extension of Paolo Messina's CResizableDialog concept

String Parsing Class (supports quoted strings)

14 Mar 2002 by #realJSOP

Parse strings with specified delimiter and specified quote character

Tracking The Mouse In A View

7 May 2001 by #realJSOP

Track a mouse click, even in a scrolled view

Creating a Unique String Using a UUID

12 Dec 2001 by #realJSOP

A small function to either accept or create a UUID* and return a CString

Copying a DIB to the Clipboard

15 Apr 2008 by #realJSOP

Helps with copying a device independant bitmap to the clipboard.

CListCtrl - one of the Blonde classes in MFC

8 Dec 2002 by #realJSOP

Some dialogbox code to give the Blonde a clue

Binary Sorting Into a std::list

9 Dec 2002 by #realJSOP

One technique for performing a binary insertion sort on a std::list

Scrolling Property Page in PocketPC 2002

22 Dec 2003 by #realJSOP

Add a scrollbar to a property page when the SIP is displayed.

Blinking Cells For Chris Maunder's Grid Control

13 May 2005 by #realJSOP

Create blinking cells for Chris Maunder's grid control.

Enumerate Controls In a Dialog Box or FormView

9 Aug 2005 by #realJSOP

Enumerate all controls in a dialog box or form view.

Replacing Part of an Existing Bitmap

28 Jul 2006 by #realJSOP

Copy a bitmap over a portion of another bitmap

Formatting Behavior in COleDateTime for MFC8

3 Aug 2006 by #realJSOP

A passable workaround for the COleDateTime formatting behavior in MFC8.

Keeping It Clean - String Function Wrappers for VS2005

17 Nov 2006 by #realJSOP

A technique for making stdio functions compile clean regardless of the Microsoft compiler used

Debug With Apps Displayed on Secondary Monitor

29 Nov 2006 by #realJSOP

Here's some code that will automatically start your app on a secondary monitor if it's compiled with debug info.

Get Your DLL's Path/Name

30 Nov 2006 by #realJSOP

Two methods to retrieve the path/name of a VS2002 or higher DLL from within that DLL.

Reliable Floating Point Equality Comparison

4 Dec 2006 by #realJSOP

Compare floating point numbers for equality at programmer-specified precision.

XML Application Profile Class

27 Jan 2007 by #realJSOP

Implement XML application profiles that are similar (but not too similar) to using INI files

Using CodeProject - A Day In the Life of an Application - Part 1 of 5

15 Apr 2008 by #realJSOP

The right way to code using CodeProject for occasional support

Using CodeProject - A Day In the Life of an Application - Part 2 of 5

15 Apr 2008 by #realJSOP

The right way to code using CodeProject for occasional support

Using CodeProject - A Day In the Life of an Application - Part 3 of 5

27 Jan 2007 by #realJSOP

The right way to code using CodeProject for occasional support

Using CodeProject - A Day In the Life of an Application - Part 4 of 5

15 Apr 2008 by #realJSOP

The right way to code using CodeProject for occasional support

Using CodeProject - A Day In the Life of an Application - Part 5 of 5

12 Jan 2010 by #realJSOP

The right way to code using CodeProject for occasional support

Modifying the System Menu

26 Jan 2007 by #realJSOP

Add menu items to, and learn how to handle the system menu

Being a Programmer

12 Oct 2016 by #realJSOP

My views on how to be a proper programmer

general question

8 Jan 2010 by #realJSOP

0) Learn to analyze code. That's what he's trying to teach you.1) Pretty much ANYBODY can write code (just look at all the VB code out there). It takes a real programmer to be able to read someone else' code and determine where they went wrong. This is a task you OFTEN have to perform in...

Load Multiple Strings at once?

12 Jan 2010 by #realJSOP

You *could* create a dictionary collection of strings, and as you load them, put the resource ID and the string into this dictionary as you load them, and then write a method that would first check the dictionary (by key aka the resource ID, or by string) to see if the string is already...

Retrieve browser's URL in address bar

12 Jan 2010 by #realJSOP

You would have to use SPY++ to find the window handle of the Opera address bar, and then somehow retrieve the text in that window using a windows message.

Reproducing old software (games)

13 Jan 2010 by #realJSOP

Become familiar with the game and then write code to duplicate its behavior. Chances are that you won't be able to get the source to most games, regardless of their current status.

Drag and Drop over CEdit surrounded by GroupBox

13 Jan 2010 by #realJSOP

Maybe you have to have the GroupBox reflect the OnDrag message to its children.

Garbage Characters displayed in specified CFont text

17 Jan 2010 by #realJSOP

Don't use MS Shell Dlg for your font. Select a specific font (and I recommend selecting one that comes with a standard Windows install). I use Arial (I like it better than MS San Serif).EDIT =============I don't understand why this was voted a 3. You may not LIKE the answer, but it's...

Whats a better language, C++ or C#

19 Jan 2010 by #realJSOP

Philosophical opinions aside, there are no advantages to a given programming language. Each one is useful and can be "the best choice" for a given task. Only the programmer can determine a given language's fitness for a particular task, and even that decision is based on his own level of...

String To Float Issues

21 Jan 2010 by #realJSOP

Once you do math, the results will be inconsistent. There's an article about it here on Codeproject.Reliable Floating Point Equality Comparison[^]If the language you're using has a decimal type, use it instead of floats/doubles, because using a decimal type for math that could result in...

string functions in C++

29 Jan 2010 by #realJSOP

Fer christ's sake, use google! This is for QUICK answers.

Execute Program Before Windows loads

29 Jan 2010 by #realJSOP

It might be, but I bet that you'd probably have to write a driver to do it.You need a lot of programmer foo to write drivers.

How to bring CButton contorl to front [solved]

30 Jan 2010 by #realJSOP

The proper way to do it is to enumerate the child controls of the dialog box, find the highest tab order, and set the new button's tab order to the highest tab order you found + 1.However, your problem is that of visibility. Hide the button you don't want to be active, and Show the button...

How to exlude some CPP from being linked?

1 Feb 2010 by #realJSOP

You could add namespaces to avoid the function name collisions.Of course, If you KNOW there will collisions, why don't you name them something like "MATLAB_xxxx"? This way, the compiler will simply not link them if they're not used.You could also put the functions into a lib, and simply...

C++ & Direct X _ Dual Monitor Usage

1 Feb 2010 by #realJSOP

Determine the number of monitors, their resolutions, and their positions relative to the main monitor. Then, move the origin of the d3d app window to the left-most possible position (if your secondary monitor is to the left of your main one, your origin will have a negative X value). You will...

Code to wire cut during packet switching

2 Feb 2010 by #realJSOP

There's no earthly way you can determine why the connection dropped. You can only determine that it did in fact drop.

i want to call 16 bit dll into 32 bit dll through vc++

5 Feb 2010 by #realJSOP

I think you need to google "C++ thunking".BTW, a 16-bit DLL won't work on a 64-bit OS - at all. With the increasing prevalence of 64-bit os's, I advice that you try to find another solution.

Help with the language of this program??

8 Feb 2010 by #realJSOP

First, it looks like C++ to me. Second, learn how to use tags. Your code is supposed to be properly formatted when you post it here.

I want complete source coding of an auto summarization tool based on statistical or linguistic analysis.

10 Feb 2010 by #realJSOP

Crap in one hand, and want in another, and tell us which one fills up faster...

Is it possible creating and killing timer in WM_TIMER

19 Feb 2010 by #realJSOP

If you want to find out what will happen, your best bet is to run the code under the debugger.Beyond that, why are you destroying the timer and then recreating it again? That seems rather pointless to me. What you should be doing (barring the use of multi-threading) is turn the timer OFF...

how can i know when the lid of laptop is closed or opened

20 Feb 2010 by #realJSOP

You could intercept the system message that indicates that the computer is going into Sleep mode.EDIT ====================Unless the laptop has drivers that provide an additional system message indicating that the lid has closed, you're screwed. Beyond that, not all laptops would...

How to set the foreground object in sdi

20 Feb 2010 by #realJSOP

If it's truly an object and not just a GDI drawing, you could use the BringToFront() method on the object (if that's not the name of the method, I'm sure there's something applicable you can use).

Problem solving a problem

5 Mar 2010 by #realJSOP

This is "Quick Answers", not "Do My Homework For Me".

Problem solving a problem

5 Mar 2010 by #realJSOP

Ever heard of google? You can find all manner of homework answers there.

how do i create a c program that extract and reads zip files in C/ C++

7 Mar 2010 by #realJSOP

You can use a (free) program called Depends to examine the exposed API of the dll you're trying to use. Use google to find the download.

Can i have the xyntservice written in c# or VB

8 Mar 2010 by #realJSOP

What is a "xynt" service? I've been writing code for 30 years, and I've never heard of that.

how to open webpage in shell extension

9 Mar 2010 by #realJSOP

Try ShellExceute (I forgot exactly how it's done in C++, but ShellExecute sounds like it should point you in the right direction).

wireless profile save problem

14 Mar 2010 by #realJSOP

All you have to do is iterate through the array and create a string that appends one byte at a time formatted as a hex value.

C# Print page borders

15 Mar 2010 by #realJSOP

Each printer has a minimum margin setting. Maybe 10mm smaller than your printer's minumum.I googled "C# printing margins", and found this:http://msdn.microsoft.com/en-us/library/system.drawing.printing.margins.aspx[^]

FFDShow in my project

4 Apr 2010 by #realJSOP

Isn't there documentation on the ffdshow web site?

Zooming image in a button

8 Apr 2010 by #realJSOP

Your button has to be able to detect when the mouse is within it's rectangle. I think I remember it being call mouse capture or something like that. It's been more than three years since I did any C++/MFC.Once the button detects that the mouse has entered its rectangle, you can have the...

How do I know dependencies of a dll file?

17 Apr 2010 by #realJSOP

XP probably doesn't contain the appropriate C runtime version.

I want to create converter mp3 to wav with C++ on DOS

18 Apr 2010 by #realJSOP

Well, your question sucks. What have you tried? What problem are you facing? Did you look on google for an answer? Did you know a program already exists that does that, and it's free?For what it's worth, we aren't here to just write code for people. We come here to help people write their...

Read values from USB and use them to draw a curve

18 Apr 2010 by #realJSOP

Check out rent-a-coder. They have people there that love working for almost nothing.

DVD Burning problem in Windows XP service pack 2

19 Apr 2010 by #realJSOP

ICDBurn won't burn to DVD on XP. You can only do that on Vista and later.

Make an app start with windows that cannot be disabled from running at startup.

23 Apr 2010 by #realJSOP

You can write all the code you want, but the first time the user has a friend/relatvie come over to "fix" their machine, and if the "fix" involves reinstalling windows, all of your efforts will be for naught.Besides that, you probably cannot legally prevent the user from using their...

I need a vc++ program to control LEDs switch on/off on parallel port pin1 .......pin7

25 Apr 2010 by #realJSOP

And I really need a shower. What's your question?

Acitvate all controls of SDI GUI

25 Apr 2010 by #realJSOP

After you maximize the app, focus the main window.

Can I use Borland C++ Builder 2006 in a 64 bits OS ?

26 Apr 2010 by #realJSOP

I don't see why not. At the very most, you'd have to set compatibility on the executables associated with the compiler, but I doubt you'd even have to do that.I didn't even know Borland was still making compilers...

find repetitions in data

26 Apr 2010 by #realJSOP

Are you looking for just one specific repeating value, or all values that repeat? Are you interested in counting the repetitions, or do you just want to know that a given value repeats?

Data corruption detection in generic app code

26 Apr 2010 by #realJSOP

Well, what are you trying to accomplish? In the code you've posted, as long as pwnd isn't null, you should be good to go. What else are you concerned about?

How do I change main menu in application dynamically?

29 Apr 2010 by #realJSOP

My experience is that users don't like it when controls (or menu items) appear and disappear while they're using the program. At the very most, they are just barely comfortable with items being disabled, but when things start disappearing/reappearing, they freak out. I'd rethink my interface if...

Creating my own GUI design with MFC (C++)

2 May 2010 by #realJSOP

First, I'm not personally a fan of changing the standard Windows interface components. The reason Windows was invented was to provide a common user interface for all applications, with all the same look/feel. This makes the user subconsciously familiar will all applications that run on Windows,...

How to get the main thread ID of a process (known by its ID) ?

3 May 2010 by #realJSOP

So accept the answer (there's a button there for it).

File Size Limit for Crash Report

5 May 2010 by #realJSOP

Are there file attachment size limits on your email account?When you zip it, what size is it?After zipping it, have you tried unzipping it before sending it?

Need top down parser source code

7 May 2010 by #realJSOP

Your question is much too broad to warrant a "quick answer".

How to delete files in a folder?

10 May 2010 by #realJSOP

Something like this:using System.IO;string[] files = Directory.GetFiles(myPath, "*.txt", SearchOption.TopDirectoryOnly);foreach (string file in files){ File.Delete(file);}

Using BCGControlBar library in VC6, IntelliSense not working

13 May 2010 by #realJSOP

Because Intellisense is VC6 sometimes doesn't work. That's the best I can tell you.

Problem capturing and sending packets using WinPcap

15 May 2010 by #realJSOP

Wow - 25 hours later, and still no answer. Did you by any chance run it under the debugger?

Want to create a tracking system

18 May 2010 by #realJSOP

The very first thing you need to do is think of a really cool name. Something along the lines of "ICantGoogleSoHowDoYouExpectMeToBeAbleToReadAMap". No, wait... that's WAY too long. Maybe "ImACluelessRetardAndICantGetUp". Nah, I think that one is too long as well. How about...

Visualise LAN data from Wireshark

20 May 2010 by #realJSOP

For cryin' pout loud, you gotta be a lot more specific. HOW do you want to plot it? What kind of data are we talking about? Find a free charting library and use the damn thing.

How to convert C# mobile application to MFC

21 May 2010 by #realJSOP

Have you established that the device even has .Net on it?Oh yeah - smply saying "it didn't work" is completely useless when you're trying to get help from someone.

Data compression and decompression

23 May 2010 by #realJSOP

Compression ratio is determined by the type of data being compressed and the compression scheme being used, not by the file type being compressed. A text file is historically more compressable than a binary file.I googled "c++ compression library" and got 291,000 hits. I'm sure you can find...

How to create an OCX file

29 May 2010 by #realJSOP

In the IDE, click File | New | Project, and under Visual C++/MFC, select "MFC ActiveX Control"

I need an online railway reservation system

29 May 2010 by #realJSOP

And how much are you willing to pay for the code?This is NOT a place to come for complete applications that fulfill your homework assignments. If you have a problem, ask about the problem, but don't come here expecting someone to write your code for you.

How to get value of MySQL aborted clients

30 May 2010 by #realJSOP

Can't you just write a stored procedure that returns that value?After scanning down through subsequent questions, I found your other one, and someone gave you the answer:http://www.codeproject.com/Questions/83315/Cplusplus-and-MySQL-aborted-connects.aspx[^]

Change color of row in CListCtrl

1 Jun 2010 by #realJSOP

You have to derive a new class from CListCtrl, and override the OnPaint() event, drawing the item the way you want to. Keep in mind that you have to handle ALL painting situations when you do this.

How to post mouse events to a process?

2 Jun 2010 by #realJSOP

First, you need a handle to the target application's main window. This is much easier to achieve if your application launches the target application interally (using the Process object). After you get the window handle, you can send the window any Windows message that you wish.BTW, if...

Images in Windows standard menu

10 Jun 2010 by #realJSOP

Google this phrase, and sift through over 1.6 million hits (including at least one hit that references a thread here on CodeProject):"c++ icons in menu"I would derive a new class for CMenuItem, and handle the OnPaint method, but it's been three years since I've done any MFC, and they...

How can I turn my console application code into MFC application in VC6.0?

19 Jun 2010 by #realJSOP

Start a new MFC application in Visual Studio, and copy your code into it in the appropriate place(s).

Need help with something in my application

19 Jun 2010 by #realJSOP

Here's what you do (this is a three-year old memory, so you may have to tweak it).0) Put a GroupBox control on your form.1) Put the radio buttons inside the groupbox.2) Set the tab order, starting with the radio buttons, and finishing with the groupnbox.3) Set the first radio...

How can fix size in CFormView

20 Jun 2010 by #realJSOP

A fixed-size child form in a MDI application doesn't make any sense, especially when you consider the Tile/Cascade or minimize/normalize/maximize abilites of a MDI child form.You should be considering the use of a modeless dialog box instead. At that point, you can make the dialog box not...

"Inherit" the implementation of a pure virtual function

20 Jun 2010 by #realJSOP

Just put a public method in the base class that returns the name of the object represented by the this pointer. It doesn't even have to be pure virtual.

Beginner Projects for Visual C# or Visual C++

20 Jun 2010 by #realJSOP

You asked this on a web site that specifically features THOUSANDS of basic sample projects?

how to Migrate from MFC VC6 VC++ to WCF .net

20 Jun 2010 by #realJSOP

Actually, the way it should go is that you should create a wcf service, and then port your code to .net while at the same time adding it to the service.Since you're going from C++/MFC, the process is going to probably be completely manual, meaning there's no automatic conversion utility...

Convert Makefile into Visual Studio project

21 Jun 2010 by #realJSOP

Why don't you just start a new appropriate Visual Studio project, and move the code into it?

that code in c++ not run and i don't know the result and i need help

29 Jun 2010 by #realJSOP

This line is suspect:cin>.ans;

how to use edit control in MFC?

30 Jun 2010 by #realJSOP

Try compiling the application.

Is this programe have some problem,help me

1 Jul 2010 by #realJSOP

We can't help you if you don't tell us WHERE the problem is happening along with WHAT the problem is. You've simply given us a block of code and expect us to be able/willing to work at trying to get it to run on our own machines.

Wanna knw how to build this Virtual Reality App!

1 Jul 2010 by #realJSOP

Quick Answers is for asking programming questions about code you're hacving a problem with, and is NOT a forum for diuscussion about projects you'd like to build. There's probably an appropriate forum on this site for this kind of thing, but Quick Answers is NOT it.

help me memory leaks

6 Jul 2010 by #realJSOP

Buy a memory leak finder tool. There are several available.

Software that can play SWF on WindowsCE6.0

6 Jul 2010 by #realJSOP

You mean you want to run Flash on a mobile. Have you tried google? That's what we would have to do to give you an answer.

how seperate integer part and fractional part?

8 Jul 2010 by #realJSOP

double sample = 1.234double fractional = sample - Math.Floor(sample);